Ricoh MP C3004 Field Service Manual page 1006

6. Troubleshooting
SC No.
SC724-42
SC724-70
SC724-71
998
Type Error Name/Error Condition/Major Cause/Solution
B Stapler Displacement Movable Motor Error
• Sifter stapler displacement HP sensor ON, even when the stapler
retreat motor is driven for specified time (msec.), the HP sensor does
not switch OFF (1st time is jam notification, 2nd time is SC
notification).
• After stapler displacement HP sensor OFF, even when the stapler
retreat motor is driven for specified time (msec.), the HP sensor does
not switch ON (1st time is jam notification, 2nd time is SC
notification).
B Shift Tray Ascent/Descent Motor Error
• During ascent from paper surface sensor ON, even after specified
time (msec.) elapses, the paper surface sensor does not switch OFF
(1st time is jam notification, 2nd time is SC notification).
• During descent from paper surface sensor OFF, the paper surface
sensor does not switch ON even after specified time (msec.) elapses
(1st time is jam notification, 2nd time is SC notification).
• During descent to the packing position, the full sensor does not
switch ON even if the specified time (msec.) elapses.
B Shift Motor Error
The level of shift sensor output does not change when the shift motor is
driven for 186 msec. after the motor in turned ON.